LOINCActiveBoth

LOINC Code 9838-4: Liver kidney microsomal Ab IF (S) [Titer]

9838-4 is a LOINC code used to identify Liver kidney microsomal Ab IF (S) [Titer] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Liver kidney microsomal Ab. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Liver kidney microsomal Ab. It is commonly used with the system or sample type Ser.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both
  • Method: IF

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Liver kidney microsomal Ab [Titer] in Serum by Immunofluorescence
  • Liver kidney microsomal Ab
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; Hepatology; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Liver; Liver kidney microsome; LKM; Microsm; Microsom; Point in time; Random; Serology; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr; UniversalLabOrders

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Liver kidney microsomal Ab IF (S) [Titer]Liver kidney microsomal Ab [Titer] in Serum by ImmunofluorescenceLKM Ab Titr Ser IFLiver kidney microsomal AbSEROLiver kidney microsomal antibody, BloodTitr

Frequently asked questions

Code details

Code9838-4
SystemLOINC
Display nameLiver kidney microsomal Ab IF (S) [Titer]
DescriptionLiver kidney microsomal Ab
Short nameLKM Ab Titr Ser IF
ComponentLiver kidney microsomal Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassSERO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.75

Consumer names

Liver kidney microsomal antibody, Blood

Part names

Liver kidney microsomal AbTitrPtSerSemiQnIFTiterPoint in time (spot)SerumImmunofluorescence (IF)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.